// MCP协议控制器
const mcpController = {
  // 客户端连接请求
  connect: (req, res) => {
    // 验证请求数据
    const { clientId, clientVersion } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    // 记录连接信息
    console.log(`客户端 ${clientId} (版本: ${clientVersion || 'unknown'}) 已连接`);
    
    // 返回连接成功响应
    return res.json({
      status: 'connected',
      message: 'MCP连接已建立',
      serverId: 'MCP-Server-1.0',
      timestamp: new Date().toISOString()
    });
  },
  
  // 客户端断开连接请求
  disconnect: (req, res) => {
    const { clientId } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    console.log(`客户端 ${clientId} 已断开连接`);
    
    return res.json({
      status: 'disconnected',
      message: 'MCP连接已关闭',
      timestamp: new Date().toISOString()
    });
  },
  
  // 心跳检测
  heartbeat: (req, res) => {
    const { clientId } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    return res.json({
      status: 'alive',
      timestamp: new Date().toISOString(),
      message: '心跳检测成功'
    });
  },
  
  // 获取服务器状态
  status: (req, res) => {
    return res.json({
      status: 'running',
      uptime: process.uptime(),
      memory: process.memoryUsage(),
      timestamp: new Date().toISOString()
    });
  },

  // 数据处理服务
  dataProcess: (req, res) => {
    const { clientId, data } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    if (!data) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少数据' 
      });
    }
    
    console.log(`客户端 ${clientId} 请求数据处理服务`);
    
    // 模拟数据处理
    const result = {
      processedData: `处理后的数据: ${data}`,
      processingTime: Math.random() * 100, // 模拟处理时间
      status: 'completed'
    };
    
    return res.json({
      status: 'success',
      result,
      timestamp: new Date().toISOString(),
      message: '数据处理服务完成'
    });
  },
  
  // 日志服务
  logService: (req, res) => {
    const { clientId, logType, logMessage } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    if (!logMessage) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少日志内容' 
      });
    }
    
    console.log(`客户端 ${clientId} 发送日志: [${logType || 'INFO'}] ${logMessage}`);
    
    return res.json({
      status: 'success',
      logId: `log-${Date.now()}`,
      timestamp: new Date().toISOString(),
      message: '日志已记录'
    });
  },
  
  // 监控服务
  monitorService: (req, res) => {
    const { clientId, metrics } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    console.log(`客户端 ${clientId} 发送监控数据`);
    
    // 模拟系统监控数据
    const systemMetrics = {
      cpu: Math.random() * 100,
      memory: Math.random() * 100,
      disk: Math.random() * 100,
      network: Math.random() * 100
    };
    
    return res.json({
      status: 'success',
      clientMetrics: metrics || {},
      systemMetrics,
      timestamp: new Date().toISOString(),
      message: '监控数据已接收并处理'
    });
  },
  
  // 通知服务
  notificationService: (req, res) => {
    const { clientId, target, message } = req.body;
    
    if (!clientId) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少客户端ID' 
      });
    }
    
    if (!message) {
      return res.status(400).json({ 
        status: 'error', 
        message: '缺少通知内容' 
      });
    }
    
    console.log(`客户端 ${clientId} 发送通知: "${message}" 到 ${target || '所有客户端'}`);
    
    return res.json({
      status: 'success',
      notificationId: `notify-${Date.now()}`,
      deliveryStatus: 'sent',
      timestamp: new Date().toISOString(),
      message: '通知已发送'
    });
  }
};

module.exports = mcpController; 